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80863427 is a prime number
BaseRepresentation
bin1001101000111…
…10000011000011
312122011021202202
410310132003003
5131200112202
612005103415
72001220301
oct464360303
9178137682
1080863427
1141710987
12230b7b6b
13139a33a8
14aa4d271
157174802
hex4d1e0c3

80863427 has 2 divisors, whose sum is σ = 80863428. Its totient is φ = 80863426.

The previous prime is 80863381. The next prime is 80863457. The reversal of 80863427 is 72436808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80863427 - 226 = 13754563 is a prime.

It is not a weakly prime, because it can be changed into another prime (80863457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40431713 + 40431714.

It is an arithmetic number, because the mean of its divisors is an integer number (40431714).

Almost surely, 280863427 is an apocalyptic number.

80863427 is a deficient number, since it is larger than the sum of its proper divisors (1).

80863427 is an equidigital number, since it uses as much as digits as its factorization.

80863427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 80863427 is about 8992.4094101637. The cubic root of 80863427 is about 432.4315585508.

The spelling of 80863427 in words is "eighty million, eight hundred sixty-three thousand, four hundred twenty-seven".